return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3Cl (Methyl chloride)

using model chemistry: HSEh1PBE/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-499.936848
Energy at 298.15K-499.939803
HF Energy-499.936848
Nuclear repulsion energy51.168648
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/daug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3082 3082 24.04 158.51 0.00 0.00
2 A1 1342 1342 9.17 0.03 0.75 0.86
3 A1 748 748 27.10 15.36 0.15 0.26
4 E 3199 3199 3.82 53.90 0.75 0.86
4 E 3199 3199 3.82 53.91 0.75 0.86
5 E 1445 1445 6.35 4.06 0.75 0.86
5 E 1445 1445 6.35 4.05 0.75 0.86
6 E 1015 1015 2.38 0.64 0.75 0.86
6 E 1015 1015 2.38 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8244.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8244.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/daug-cc-pVDZ
ABC
5.17262 0.44189 0.44189

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.129
Cl2 0.000 0.000 0.658
H3 0.000 1.038 -1.473
H4 0.899 -0.519 -1.473
H5 -0.899 -0.519 -1.473

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.78771.09361.09361.0936
Cl21.78772.37082.37082.3708
H31.09362.37081.79831.7983
H41.09362.37081.79831.7983
H51.09362.37081.79831.7983

picture of Methyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 108.312 Cl2 C1 H4 108.312
Cl2 C1 H5 108.312 H3 C1 H4 110.605
H3 C1 H5 110.605 H4 C1 H5 110.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.130      
2 Cl 0.184      
3 H -0.018      
4 H -0.018      
5 H -0.018      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.975 1.975
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.997 0.000 0.000
y 0.000 -19.997 0.000
z 0.000 0.000 -18.176
Traceless
 xyz
x -0.911 0.000 0.000
y 0.000 -0.911 0.000
z 0.000 0.000 1.821
Polar
3z2-r23.643
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.955 0.000 0.000
y 0.000 3.955 0.000
z 0.000 0.000 5.385


<r2> (average value of r2) Å2
<r2> 36.875
(<r2>)1/2 6.072